Alpinestars S-MX 1.1 SE boots. A lightweight boot that is low cut for comfort and convenience, the S-MX 1.1 is constructed from a durable microfiber upper and is reinforced with strategically positioned TPU protectors. Alpinestars exclusive rubber compound sole offers comfort and excellent grip, both on and off the bike.

Construction

• Upper constructed from light and durable microfiber.  
• Front and rear microfiber accordion flex zones for comfort and range of maneuverability on and off the bike.  
• 3D mesh inner liner offers enhanced comfort, breathability and feel.  

Safety

• TPU shock absorber on the outer ankle, with foam backed, double density ankle protector on the medial side.  
• Contoured insole injected high modulus polyamide with shank reinforcement.  
• External TPU toe slider with snap-in assembly offer repeated abrasion resistance.  
• Reinforced toe box layered under the microfiber to enhance support.  
• Easy access side entry system with medial zipper and wide instep Velcro flap for a precise fit.  

Convenience and Comfort

• Alpinestars exclusive rubber compound sole for the optimal combination of comfort and grip.  
• Removable anatomically profiled EVA foam footbed.  
• Entire sole of the S-MX 1.1 Boot is replaceable.